Unit 2（）Text A. VocabularyFill in the blank in the following sentence with one of these words and change the form if necessary. (tackle, humility, attain, viable, penchant, dispense, commodity, manipulate, economize, sequential)18. Jacksonville University

Unit 2（）Text A. VocabularyFill in the blank in the following sentence with one of these words and change the form if necessary. (tackle, humility, attain, viable, penchant, dispense, commodity, manipulate, economize, sequential)18. Jacksonville University said it is stepping up security efforts to （） the problem of crime on campus.
正确答案：tackle